CORRELATION has published a new brief report entitled “Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations” authored by Joseph Hickey and Denis G. Rancourt. The report shows that modeling claims, based on a novel mathematical construction (Ψ), that unvaccinated people disproportionately contribute to the infection risk of vaccinated people are… Continue reading Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations
Category: SIR models
Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives
Update 2025-09-20: This article is now available on Zenodo Update 2025-02-18: This article is now available on Authorea preprints CORRELATION has published a new report entitled “Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives” authored by Denis G. Rancourt and Joseph Hickey. The paper examines recent theoretical scenarios predicting lives… Continue reading Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives
Predictions from standard epidemiological models of consequences of segregating and isolating vulnerable people into care facilities
Update 2023-10-30: Now published in the peer-reviewed journal PLOS One CORRELATION authors Joseph Hickey and Denis Rancourt have posted a new preprint to medRxiv entitled “Predictions from standard epidemiological models of consequences of segregating and isolating vulnerable people into care facilities”. As shown in the paper, standard epidemiological models predict that isolating and segregating vulnerable… Continue reading Predictions from standard epidemiological models of consequences of segregating and isolating vulnerable people into care facilities